–We should do what we can _____ the endangered animals.` --Yes, it’s duty_____ them.
#50588
A
save, to protect
B
save, protect
C
to save, protect
D
to save, to protect
推荐题目
Children are often warned ______ with fire.
#48506
A
not to play
B
to play
C
don’t play
D
doesn’t play
I can’t stand _____ for you so long.
#50495
A
to wait
B
waiting
C
waits
D
waited
I want ___ a policeman because it is an exciting ____.
#51250
A
to be , job
B
doing , work
C
to do , job
D
be , work
Thank you for______ let me_______ on the trip today.
#49990
A
agree to;go
B
agreeing;going
C
agreeing to;go
D
agree;to go
He was mad at ________ in the English exam.
#49621
A
fail
B
dropping
C
failing
D
lose